Ellison Onizuka Kona International Airport at Keāhole

Ellison Onizuka Kona International Airport at Keāhole carries the IATA code KOA — the three letters printed on boarding passes and baggage tags — and the ICAO code PHKO, used in flight plans and by air traffic control. It serves Kailua-Kona, United States.

IATA codes are assigned by the International Air Transport Association for passenger-facing use; the four-letter ICAO code encodes region and country and belongs to the operational side of aviation.